x=4
y=5
print( x >= y >= 0)
print( x <= y >= 0)
print( x != y >= 0)
print( (x != 0 ) or (x == 0))


# x,y,z = eval(input())
# print("sorted" if x< y < z else "not sorted")
ages = 1
tickedPrice = 20 if ages>=16 else 10
print(tickedPrice)